Home / 99,037.72-148,490.06-39,011.32

Finding the Fourth Proportional to 99,037.72, 148,490.06 and 39,011.32

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Solution

The fourth proportional to 99,037.72, 148,490.06 and 39,011.32 is: 58,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,037.72 : 148,490.06 = 39,011.32 : x
  2. Step 2: Convert to fraction form
    99,037.72/148,490.06 = 39,011.32/x
  3. Step 3: Cross multiply
    99,037.72x = 148,490.06 × 39,011.32
  4. Step 4: Simplify right side
    99,037.72x = 5,792,793,247.48
  5. Step 5: Solve for x
    x = 5,792,793,247.48/99,037.72
  6. Step 6: Final answer
    x = 58,490.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.